White House Chief of Staff Susie Wiles has tightened control over President Donald Trump's Cabinet, according to reports, restricting international travel and directing senior officials to focus on domestic priorities. The move comes as Republicans face growing concerns about their prospects in the upcoming midterm elections and potential losses in Congress. Susie Wiles imposes travel restrictions on Trump's Cabinet At a February meeting at the Capitol Hill Club, Susie Wiles told Cabinet members and senior aides that foreign trips should only occur when necessary.